12 18 30
10 20
-20 20
-20 -18
-30 -18
-30 20
-40 20
-40 -20
10 -20
10 -10
-10 -10
-10 10
10 10
2 0
2 -10
20 -10
20 18
22 18
22 -20
52 -20
52 -10
32 -10
32 10
52 10
52 20
-10 20
-10 -20
0 -20
0 10
10 10
10 0
